Handy, and very pretty, though available only in the US at the moment. I personally have an Airport Express hanging off my bedroom amplifier, and the Apple TV does the same thing for my living room AV Amp, but I could happily put one of these somewhere.

Make all your speakers wireless.

Beep connects to your speakers, receivers, and docks. Which speakers?

Beep sets up in seconds. Just plug it in, connect via cable to your speakers, and enter your Wi-Fi password using the Beep app for iOS or Android.

Beeps play synchronized music throughout your home.